Question

30 pts! solve the following equation for x.
x^2+8x+7=0

Answer 1

Explanation:

X will be - 1 or - 7

Hecne A is correct

Answer 2

Explanation:

Step1:use the trinomial method

X^2+7x+1x+7

x(x+7)+1(x+7)

(x+1)(x+7)=0

Step 2

Find value of x

x+1=0

x=-1

x+7

x=-7

Step 3

Write answer

X= (-1,-7 )

A is correct ✅